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Calm Wind Landings

ByHank Gibson December 11, 2015December 21, 2015

Some of a pilot’s favorite words are heard on the ATIS:  “Winds, Calm.”  These words set off all sorts of happy bells and hallelujah choruses.  Most pilots spend their lives fighting the winds.  On those rare days when the winds are calm, great happiness ensues.

But, are calm wind landings more complicated then everyone thinks?  Well, they can be if the proper planning doesn’t go into them.

Let’s think about wind.  We have surface wind and we have winds aloft. Sometimes the surface winds are calm.  When this happens, certain airports have preferred calm wind runways which are supposed to be used in these conditions.  Winds aloft are almost never calm.  95% of the time, there is some kind of wind even 100-200 feet above the surface.

Here is the question pilot’s face when coming into an airport with calm winds: which runway do I use?  Do I use the calm wind runway?  Do I use the runway that is easiest to enter the pattern for?  Do I use the one with the shortest taxi?

A lot of technologically advanced aircraft have a wind indicator on the PFD. This tool is often forgotten in calm surface wind conditions.  On the contrary, this is probably the most important tool a pilot can have when figuring out which runway to use when the winds are reported calm.

Here’s why.  That wind indicator is showing the pilot what the winds aloft are. The winds aloft should determine what runway is going to be used.  If the wind indicator is depicting a south wind, then a south runway should be used.  Even if it is a 5 knot wind at pattern altitude, it’ll still be a headwind coming in on final approach.  If the north facing runway is used, that same 5 knot headwind can blow an airplane halfway down the runway before the ground speed drops off enough for it to land.

So, the next time you are coming into an airport and the winds are reported calm, take a look at your wind indicator on your PFD when deciding which runway to use.  It’ll probably save a few go arounds!

Selecting the Proper Altitude

ByHank Gibson August 28, 2015September 6, 2015

One of the first questions a student pilot asks me when starting the cross country portion of his or her training is, how do I know what altitude is best for my flight?  This is a good question, because without taking certain aspects of the flight into account, it’s really just a crap shoot when selecting an altitude.  Craps and flying don’t mix, so let’s take a look at a few considerations when selecting an altitude.

Sky Coverage

Sky coverage has several subcategories when it comes to selecting an altitude.  First is how high are the bases?  Is it IFR (VFR pilots would be grounded), marginal VFR (1,000 AGL to 3,000 AGL ceiling), or good VFR (above 3,000 AGL ceiling)?  If the cloud deck is only 2,500 feet off the ground, then VFR pilots are limited to either 1,000 AGL to 2,000 AGL.  This is an excellent segue into why VFR pilots shouldn’t scud run!

Second, what kind of cloud deck is it?  Is it an actual ceiling (broken or overcast), or is it a scattered layer?  Few or scattered layers usually allow VFR pilots to find a hole to get higher to some smoother air, making the flight more pleasant.  VFR pilots, always make sure to check the destination weather as it could be scattered where you are departing from, but it might be broken or overcast where you are arriving.

Last, how high are the tops of the clouds?  Pilots can only get this information in the planning stage from the area forecast or from pilot reports, so most of the time, it’s not very precise information.  If the tops are at 10,000 feet and the pilot is flying a 172 on a 30 mile trip, it doesn’t make much sense to get on top of the clouds.

Terrain and Obstacles

Terrain goes hand in hand with sky coverage.  If there are low clouds and high terrain, that doesn’t bode well for trying to stay VFR and not hitting anything.  Obstacles need to be taken into account too, as there are some pretty tall radio towers that can stretch up into a 1,500-2,000 AGL deck of clouds.

Winds Aloft

Once the sky coverage and terrain have been considered, it’s time to look at the winds aloft.  Tailwinds are preferred, but, sometimes, a headwind is the only option.  After taking the clouds and terrain into account, this narrows down your altitude to a handful of options.  The winds aloft will further narrow it down.

Aircraft Performance

Once you have two or three altitudes in mind, taking a look at the performance charts for your airplane will help nail down that final altitude.  Pull out the POH, compare fuel burn and cruise speed, and you’ll have your altitude selected.

After Market Ice Protection

ByHank Gibson December 16, 2017December 23, 2017

It’s winter time, so that means winter weather for the aviation community.  For single engine piston pilots, that means dealing with icing conditions.  For us Texan flyers, ice only presents an issue for maybe a week out of the year (the exception being for those Panhandle residents!), but it’s nice to have some protection.

Most single engine pistons do not come with ice protection from the factory and, of those that do, most are not Flight Into Known Icing (FIKI) approved.  The systems are “get out of jail” systems that can reduce the amount of ice you pick up if you accidentally get into icing conditions and you are on your way out.  The Cirrus SR22 line of aircraft has had the TKS system option since 2006, with the new FIKI system being available since 2010.  The Cessna TTx has a FIKI option that was debuted in 2014.

The above mentioned airplanes use TKS systems.  There are a handful of single engine pistons that use boots that are FIKI certified:  the Piper PA46 line (Malibu, Mirage, and Matrix) and the Cessna P210 and T210 line (though not all are equipped with boots).

If you find yourself flying into wintry conditions often and want some protection for your clean wing airplane, there are some aftermarket options for a lot of airplanes now.  Do note that all these systems do come with a pretty hefty price tag, but can be worth it if you fly into icing a good bit.

CAV Ice Protection TKS Systems

CAV Ice Protection is a TKS system outfitter.  What is TKS fluid?  According to Flying Magazine:

“TKS systems dispense an ethylene glycol-based fluid with a freezing point below minus 70 degrees F through porous titanium panels attached to the leading edge of the wing and empennage. The fluid is released through thousands of the panels’ laser-drilled holes, which are not much larger than the size of a human hair. As air flows over the wing and empennage, it disperses the fluid, coating the surfaces, and preventing the formation and adherence of ice.”

The advantages of a TKS system are the whole entire wing gets coated to get rid of any extra ice that adheres to the top or bottom of the wing surface.  The disadvantage is there is only a finite amount of fluid, so when it runs out, you don’t have any more protection.  The fluid also adds extra weight agains the useful load of the airplane.

CAV Offers a Basic TKS system for the following single engine piston aircraft:

• Beech Bonanza
• Cessna 182, 206, 210, 350, & 400
• Columbia 350 & 400
• Piper PA32
• Mooney M20

CAV Offers a full FIKI System for the following single engine piston aircraft:

• Beech A36 & G36 Bonanza, and Baron
• Cessna 210 & TTx
• Commander 114
• Mooney M20

For more information, check out CAV Ice Protection’s Website.

Ice Shield De-Icing Boots

Ice Shield is another after market de-ice option.  Ice Shield makes boots for wing leading edges.  The advantage of boots is they activate instantaneously, getting rid of ice where it builds up first, on the wing leading edge.  No running out of fluid and only the added weight of the system.  Ice Shield also offers heated windscreens for several the Piper Saratoga line and the A36, B36, and G36 Bonanza line.

Ice Shield has boots for the following single engine piston aircraft:

• Beech Bonanza F33A and -36 line
• Cessna 210 line
• Piper Pa46 line

For more information, check out Ice Shield’s Website.

PIREP: Austin Bergstrom Recovering After Flood Damage

ByHank Gibson November 5, 2015

The massive storms that rolled through the Austin Bergstrom and San Antonio areas last Friday not only put a dent in the landscape, they put a dent in the skies too.

The Austin Bergstrom (KAUS) control tower suffered significant flood damage Friday.  6 inches of rainfall in an hour caused water to come pouring into the first floor of the tower, flooding the radar room and knocking out the power.  This led to transmission outages for the tower, ground control, clearance delivery and the ATIS.  Similar to the Chicago Center fire last year (though this was a much smaller section of airspace), the area normally controlled by Austin Approach was replaced by a big, gaping radar hole.

By 8:45am on Friday morning, the Austin Bergstrom airport actually closed.  One runway eventually opened back up Friday afternoon, but massive delays and cancellations had already taken place.  All the ILS approaches were down and Houston Center had taken over the airspace normally occupied by Austin Approach control.

A temporary, emergency tower vehicle was brought in by the FAA (it’s essentially an RV with communications and a giant window) by the end of the weekend.  All arrivals and departures were restricted to 17L and 35R.

Due to the radar outage, I heard there was as much as a 4 hour delay even for planes coming into Austin Bergstrom from Dallas, and that was in VMC conditions on Sunday and Monday.  Tuesday and Wednesday brought IMC conditions which only enhanced the delays.

The latest news is that Austin Approach will be opening back up, but in a satellite base in San Antonio.  The Austin controllers will be using the SAT radar room and will be receiving their radar picture via satellite.  The approach frequencies should be up and running today or tomorrow.  The Austin Bergstrom tower is up and running and most of the ILS approaches are operational at this point.

In the meantime, expect delays going in and out of Austin.  If you don’t have to get to AUS, EDC, or GTU, you’re better off delaying a day or two until Austin Approach is back up and running.

Lightspeed Zulu 2 vs. The Bose A20

ByHank Gibson September 13, 2014

The debate about which headset is the better product will never cease.  We do know this for sure, though, Lightspeed and Bose make the best noise canceling headsets out there.  David Clark’s offering doesn’t match up with these two.  Newcomer AKG has a light (weight-wise that is, as the headset is equipped with a pair of LED lights as well) ANR headset that the jury is still out on.  For now, Lightspeed and Bose sit atop the ANR kingdom.

The comparison for this article will be between the Lightspeed Zulu 2 and the Bose A20 headsets, both of which I have used quite extensively in my flying career.  I am officially in the Lighspeed camp at this point and after reading my comparison below, you’ll see why.

ANR Functionality

Between the two, the Bose A20 cancels out more noise, no argument there.  This isn’t to say that the Lightspeed Zulu 2 doesn’t.  Quite the opposite, actually.  The Lightspeed Zulu 2 does a great job of canceling the noise.  But with the A20 on in a C172, you can barely hear the engine running.  The difference before you press the power button and after is extremely noticeable.  I had one client turn to me after turning on the noise canceling function of his new A20 headset and state, “These things are awesome!”

The other advantage Bose has is a continuation of the noise canceling.  About the only thing I don’t like about the Lightspeed is if you don’t have the headset sized just right on your head, each time you turn your head to look at something, then the suction gets broken around the ear cup and you get some ambient noise.  My glasses probably don’t help with this.  It’s not that big of a deal, you just have to readjust the size of the headset, but, since I’m a little OCD, it bugs me.  Once I get the set sized right, it’s smooth sailing.

Comfort

Far and away, the Lightspeed Zulu 2 is much more comfortable than the Bose A20.   I flew for 5 hours in the right seat with my Lightspeed set on the other day.  I switched to the left seat for the last leg and used the owner’s A20 headset since it was plugged in on that side already and I noticed quite a bit of difference.  The ear cups seemed to press against my head more.  The pad on top of my head didn’t seem to be as cushiony.  It just wasn’t overall as comfortable as the Lightspeed Zulu 2.

Bose has made a lot of progress from their original noise canceling headsets.  Those didn’t have much of a cushion on top at all.  After about 2.5 hours, the slim ear cushions began to dig in to the side of your head.  So, the A20 has made some progress, but the Lightspeed Zulu 2 takes the cake in comfort.

Weight Distribution

“Wait!”  You Bose boys scream (no pun intended).  “The A20 is lighter than the Zulu 2!”  While this is true (the Zulu 2 weighs in at 15.7 oz while the A20 is only 12 oz), the way that weight is distributed makes a massive amount of difference.  The Lightspeed Zulu 2 feels lighter on top of your noggin than the A20 because the weight of the A20 is firmly planted on the top of your head in a single point.  With the Zulu 2, the weight is distributed evenly across the top of your scalp, so even though the set is heavier, it feels lighter on your head because the weight is not all concentrated on one point.

All this adds up to why I like the Lightspeed Zulu 2 more than the Bose A20.  As for a practical example, I wore my Lightspeed Zulu 2 set for 9.1 hours one day two weeks ago.  Needless to say, it was a long day.  But, once I climbed out of the airplane, I had no pain on the top of my head and only a very little where my glasses ran along the side of my head.  Now I call that a winner.

Matching the Airplane with Your Mission

ByHank Gibson February 5, 2019February 18, 2019

Has it come time to buy your first airplane?  Have the skies been calling your name?  Or are you just tired of standing in the airport security line then getting shoved in a long metal tube with no leg room?  Or, maybe you are a businessman who does business in remote areas that have local airports but are hard to get to commercially.

Wherever your need is, you have decided it’s time to make a purchase.  If you are familiar with aviation, you may have an airplane in mind that you would like to have, but is that the right airplane for your mission?  If you are new to aviation, you may have no idea what airplane to go for.  Here are some helpful hints in narrowing down the different airplane options out there to fit your specific mission.

Flying For Enjoyment, but Not Going Far Fast

If you’re just a weekend flyer who is tired of dealing with flight school rentals, but you don’t need to carry a lot of people or go very far, your options are pretty numerous.  Anything from a Cessna 152 to a Piper Cherokee, maybe a Beech Sundowner, or a Bellanca Viking, or anything in between.  If you are content with taking a weekend hop for a hamburger at 100-110 knots, you have limitless options for airplanes.  Tailwheels (Cubs, Citabrias, Huskies) are excellent birds for you well.

Getting Places Fast With Only You and Maybe One Passenger

Need to go 200-300 miles fast and not worried about weight?  A Cirrus SR22T, a Columbia 400, or Cessna Corvalis might be just what you need.  Cruise speeds on those are all around 180-190 knots at 10,000 feet. All are oxygen equipped if you want more speed higher up, as the service ceilings are 25,000 feet.  Payloads run in the range of 400-500 pounds with full fuel.  All these have air conditioning options, too.

Hauling More Weight, but Still Need the Speed?

A little slower (150-170 knots) but a little bit more payload options are A36 & B36 Bonanzas, Piper Saratogas, Cessna 206s, or Cessna 210s might suit your fancy.  All come in turbo models if you are a high elevation dweller.  The Cessna 206 has been used for many years as cargo and people haulers in remote regions like Alaska, South America, and Africa.  I’ve even seen pictures of snowmobiles being carried in a 206.

Tired of Oxygen Cannulas?

The next step up from a Cirrus, Corvalis, or Saratoga is the Piper Malibu.  A bigger brother to the Saratoga, the different PA-46 models offer one of the best options for a single engine piston out there.  All except the Matrix (PA-46-350T) are pressurized, all the pistons cruise about 200 knots, and all are configured with club seating with plenty of leg room.  Useful loads range around 1200-1400 pounds (they hold 120 gallons of fuel, so payloads range from 480-680 pounds).  The original Malibu (PA-46-310P) only burns 16.5 GPH so that allows partial fuel to be carried to allow more people and bags.  All have 6 seats.

Need to Carry Even More Weight?

It’s time to get into the piston twin market, then.  A Cessna 414, a Cessna 421, a Cessna 340, a Beech Duke or a Beech Baron are all pretty good options here.  The 421 and the 414 have the largest cabins, while the Duke has the highest useful load.  Cruise speeds range from 200-220 knots, but the cabin is roomier and you get a few more pounds useful load than a piston single.  If you do get into a 421, get good training as they are equipped with Continental geared engines, which can be tricky to operate if you don’t know what you are doing.

Need to Carry a Lot of People and Go Fast?

Turboprops are the way to go for you.  King Airs have the most utility while  the Pilatus PC-12 is the cream of the single engine turboprop crop as you can put almost anything you want in it.  If you have 4-5 passengers, stay away from a Piper Meridian as you can’t carry a lot of weight.  Those are better for 2-3 passengers at the most (plus a pilot).  The TBM 900 is pricey, but fast (300-325 knots).  The original TBM 700 can be had for under a million bucks, you get 280 knots, and a very usable useful load.  You still can’t fill all 6 seats with full fuel, but you can do more with it then a Meridian.

Have a Boatload of Money Sitting Around?

A jet might be for you then.  Fuel, insurance, maintenance, and hangar costs are high, but jets will get you places real fast with room for all your friends and family.